<template>
  <div>
    <!-- Header头部 -->
    <van-nav-bar
      fixed
      title="文章详情"
      left-arrow
      @click-left="$router.back()"
    />

    <!-- 文章选项区域 -->
    <div class="artile-container">
      <h1 class="art-title">{{ artObj.title }}</h1>

      <!-- 用户信息 -->
      <van-cell center :title="artObj.aut_name" :label="formatDate.pubdate">
        <template #icon>
          <img class="avater" :src="artObj.aut_photo" alt="" />
        </template>
        <template #default>
          <div>
            <van-button
              type="info"
              size="mini"
              v-if="artObj.is_followed === true"
              @click="followedFn(true)"
            >
              已关注
            </van-button>
            <van-button
              icon="plus"
              type="info"
              size="mini"
              plain
              v-else
              @click="followedFn(false)"
            >
              关注
            </van-button>
          </div>
        </template>
      </van-cell>

      <!-- 分割线 -->
      <van-divider></van-divider>

      <!-- 文章内容 -->
      <div class="art-content" v-html="artObj.content"></div>

      <!-- 分割线 -->
      <van-divider>End</van-divider>

      <!-- 点赞(文章) attitude 用户对文章的态度, -1: 无态度，0-不喜欢，1-点赞-->
      <div class="like-box">
        <van-button
          icon="good-job"
          type="danger"
          size="small"
          v-if="artObj.attitude === 1"
          @click="attitudeFn(true)"
        >
          已点赞
        </van-button>
        <van-button
          @click="attitudeFn(false)"
          n-button
          icon="good-job-o"
          type="danger"
          size="small"
          plain
          v-else
        >
          点赞
        </van-button>
      </div>
    </div>

    <!-- 文章评论 -->
    <CommentList></CommentList>
  </div>
</template>

<script>
import {
  detailApi,
  userFollowedApi,
  userUnFollowedApi,
  likeArticleApi,
  unLikeArticleApi,
} from "@/api";
import { timeAgo } from "@/utils/date";
import CommentList from "./CommentList.vue";
export default {
  components: {
    CommentList,
  },
  data() {
    return {
      artObj: {},
    };
  },
  async created() {
    const res = await detailApi({
      artId: this.$route.query.art_id,
    });
    // console.log(res, "文章详情");
    this.artObj = res.data.data;
  },
  methods: {
    formatDate: timeAgo,

    // 关注/取关
    async followedFn(bool) {
      if (bool === true) {
        // 用户点在 "已关注" 按钮上
        this.artObj.is_followed = false;
        const res = await userUnFollowedApi({
          userId: this.artObj.aut_id,
        });
        // console.log(res, "取关");
      } else {
        this.artObj.is_followed = true;
        const res = await userFollowedApi({
          userId: this.artObj.aut_id,
        });
        // console.log(res, "关注");
      }
    },

    //点赞/取消点赞
    async attitudeFn(bool) {
      if (bool === true) {
        this.artObj.attitude = 0;
        const res = await unLikeArticleApi({
          artId: this.artObj.art_id,
        });
        console.log(res, "取消点赞");
      } else {
        this.artObj.attitude = 1;
        const res = await likeArticleApi({
          artId: this.artObj.art_id,
        });
        console.log(res, "点赞");
      }
    },
  },
};
</script>

<style lang="less" scoped>
.van-nav-bar {
  background: #1989fa;

  /deep/.van-nav-bar__title {
    color: #fff;
  }
  /deep/.van-nav-bar__text {
    color: #fff;
  }
  /deep/.van-nav-bar__left .van-icon-arrow-left {
    color: #fff;
  }
}
.artile-container {
  padding: 10px;
  margin-top: 46px;
}
.art-title {
  font-size: 16px;
  font-weight: bold;
  margin: 10px 0;
}
.art-content {
  font-size: 12px;
  line-height: 24px;
  width: 100%;
  overflow-x: scroll;
  word-break: break-all;
  /deep/img {
    width: 100%;
  }
  /deep/pre {
    white-space: pre-wrap;
    word-wrap: break-word;
  }
}

.van-cell {
  padding: 5px 0;
  &::after {
    display: none;
  }
}

.avater {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: #f8f8f8;
  margin-right: 5px;
  border: none;
}

.like-box {
  display: flex;
  justify-content: center;
}
</style>